The new 2012 Mercedes-Benz SLK250 CDI is the first SLK Roadster powered by a diesel engine. The new Mercedes-Benz car’s 150 kW (204 horsepower) 4-cylinder engine makes the car at the top of its class. With a fuel consumption of 4.9 liters per 100 km, it is the most economical roadster in its segment. The